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23970516 = 2231997543
BaseRepresentation
bin101101101110…
…0001011010100
31200002211100220
41123130023110
522114024031
62213434340
7410513613
oct133341324
950084326
1023970516
1112592449
12803b9b0
134c7374b
14327d87a
152187596
hex16dc2d4

23970516 has 12 divisors (see below), whose sum is σ = 55931232. Its totient is φ = 7990168.

The previous prime is 23970503. The next prime is 23970553. The reversal of 23970516 is 61507932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998760 + ... + 998783.

It is an arithmetic number, because the mean of its divisors is an integer number (4660936).

Almost surely, 223970516 is an apocalyptic number.

It is an amenable number.

23970516 is an abundant number, since it is smaller than the sum of its proper divisors (31960716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23970516 is a wasteful number, since it uses less digits than its factorization.

23970516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997550 (or 1997548 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 23970516 is about 4895.9693626492. The cubic root of 23970516 is about 288.3317454184.

The spelling of 23970516 in words is "twenty-three million, nine hundred seventy thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 1997543 3995086 5992629 7990172 11985258 23970516